Coleoloides Explained

Coleoloides, or the coleolids, are a genus of Cambrian small shelly fossils with an aragonite skeleton.[1] They were first described in 1889 by Charles Doolittle Walcott as members of the pteropods.[2] Their affinity is unknown but they were probably produced by an organism of the annelid grade of complexity.[3] Calcium carbonate fossils of coleolids have been found at Newfoundland clustered together, oriented vertically.[4]

Notes and References

  1. S. M.. Seawater chemistry and early carbonate biomineralization. Science. 316. 5829. Porter. 1302. Jun 2007 . 0036-8075. 17540895. 10.1126/science.1137284. 2007Sci...316.1302P .
  2. Walcott . C. D. . Stratigraphic position of the Olenellus fauna in North America and Europe. . 1889 . 37 . 223 . Charles Doolittle Walcott . 388–9 . 10.2475/ajs.s3-38.223.29 .
  3. Book: Briggs, Derek E. G. . Crowther, Peter R. . Palaeobiology II . John Wiley & Sons . 2008 . 9780470999288.
  4. Book: McMenamin, M.A. . McMenamin . D.L. . 1990 . The Emergence of Animals . registration . Columbia University Press . 0-231-06647-3 . 52–53.

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